[prev in list] [next in list] [prev in thread] [next in thread]
List: asterisk-dev
Subject: Re: [asterisk-dev] SIP Deadlock/Pause
From: Ross Beer <ross.beer () outlook ! com>
Date: 2014-11-24 10:47:59
Message-ID: SNT151-W1D569A777EE081F1A19F5FF720 () phx ! gbl
[Download RAW message or body]
[Attachment #2 (multipart/alternative)]
Hi Anne,
We only use IP addresses for all hosts. Therefore there should be no DNS lookups.
The issue appears in 11.14.1 as well as 1.8 however more so in version 11.
Regards,
Ross
> Date: Fri, 21 Nov 2014 22:11:36 +0100
> From: j.a.bezemer@opensourcepartners.nl
> To: ross.beer@outlook.com
> Subject: Re: [asterisk-dev] SIP Deadlock/Pause
>
>
> On Fri, 21 Nov 2014, Ross Beer wrote:
>
> > Hi All,
> >
> > I have raised an bug under https://issues.asterisk.org/jira/browse/ASTERISK-24540
> >
> > There appears to be SIP deadlock which stops registration and call setups. \
> > Asterisk doesn't crash, just stops accepting calls.
> > Has anyone experienced this issue before?
>
> Indeed. At least in 1.8, SIP signaling is singlethreaded and will wait for
> any DNS timeout which can be quite long. Worse, if you register to a
> provider via DNS, a DNS timeout will cause immediate retry to that same
> server, and SIP thread will not do anything else. When DNS works again,
> things will usually go back to normal after a while.
>
> Quick solution: use IP addresses.
>
> Good luck,
> Anne Bezemer
[Attachment #5 (text/html)]
<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 12pt;
font-family:Calibri
}
--></style></head>
<body class='hmmessage'><div dir='ltr'>Hi Anne,<br><br>We only use IP addresses for \
all hosts. Therefore there should be no DNS lookups.<br><br>The issue appears in \
11.14.1 as well as 1.8 however more so in version \
11.<br><br>Regards,<br><br>Ross<br><br><div>> Date: Fri, 21 Nov 2014 22:11:36 \
+0100<br>> From: j.a.bezemer@opensourcepartners.nl<br>> To: \
ross.beer@outlook.com<br>> Subject: Re: [asterisk-dev] SIP Deadlock/Pause<br>> \
<br>> <br>> On Fri, 21 Nov 2014, Ross Beer wrote:<br>> <br>> > Hi \
All,<br>> ><br>> > I have raised an bug under \
https://issues.asterisk.org/jira/browse/ASTERISK-24540<br>> ><br>> > \
There appears to be SIP deadlock which stops registration and call setups. Asterisk \
doesn't crash, just stops accepting calls.<br>> ><br>> > Has anyone \
experienced this issue before?<br>> <br>> Indeed. At least in 1.8, SIP \
signaling is singlethreaded and will wait for <br>> any DNS timeout which can be \
quite long. Worse, if you register to a <br>> provider via DNS, a DNS timeout will \
cause immediate retry to that same <br>> server, and SIP thread will not do \
anything else. When DNS works again, <br>> things will usually go back to normal \
after a while.<br>> <br>> Quick solution: use IP addresses.<br>> <br>> \
Good luck,<br>> Anne Bezemer<br></div> </div></body> </html>
--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
asterisk-dev mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-dev
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic